{"id":15726,"date":"2026-01-06T21:04:10","date_gmt":"2026-01-06T13:04:10","guid":{"rendered":"http:\/\/www.erun-tech.com\/?post_type=dt_portfolio&p=15726"},"modified":"2026-01-06T21:06:13","modified_gmt":"2026-01-06T13:06:13","slug":"15726","status":"publish","type":"dt_portfolio","link":"http:\/\/www.erun-tech.com\/vi\/project\/15726","title":{"rendered":"Th\u1ef1c h\u00e0nh t\u1ed5ng h\u1ee3p: H\u00e0n ch\u1ebf t\u1ea1o ngu\u1ed3n \u0111i\u1ec7n \u1ed5n \u0111\u1ecbnh c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u00b11.25~12 V"},"content":{"rendered":"
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Th\u1ef1c h\u00e0nh t\u1ed5ng h\u1ee3p: H\u00e0n ch\u1ebf t\u1ea1o ngu\u1ed3n \u0111i\u1ec7n \u1ed5n \u0111\u1ecbnh c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u00b11.25~12 V<\/h1>\n
Th\u1ef1c h\u00e0nh k\u1ef9 thu\u1eadt \u0111i\u1ec7n t\u1eed \u00b7 L\u1eafp r\u00e1p m\u1ea1ch m\u00f4 ph\u1ecfng<\/div>\n<\/div>\n
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I. M\u1ee5c \u0111\u00edch s\u1ea3n xu\u1ea5t<\/h2>\n

\u0110\u1ea1t \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u s\u1ea3n xu\u1ea5t b\u1eb1ng c\u00e1ch r\u00e8n luy\u1ec7n c\u00e1c k\u1ef9 n\u0103ng nh\u01b0 x\u00e1c \u0111\u1ecbnh gi\u00e1 tr\u1ecb \u0111i\u1ec7n tr\u1edf, dung l\u01b0\u1ee3ng t\u1ee5 \u0111i\u1ec7n, k\u1ebft n\u1ed1i c\u1ef1c d\u01b0\u01a1ng v\u00e0 c\u1ef1c \u00e2m c\u1ee7a \u0111i\u1ed1t, h\u00e0n \u1ed1ng \u1ed5n \u00e1p, h\u1ecdc c\u00e1ch \u0111\u1ecdc s\u01a1 \u0111\u1ed3 m\u1ea1ch \u0111i\u1ec7n \u0111\u1ec3 h\u00e0n m\u1ea1ch \u0111i\u1ec7n.<\/p>\n<\/section>\n

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II. Thi\u1ebft b\u1ecb v\u00e0 d\u1ee5ng c\u1ee5 s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t<\/h2>\n
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\u25cf Thi\u1ebft b\u1ecb, d\u1ee5ng c\u1ee5:<\/strong>
\n\u0110\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng, m\u00e1y bi\u1ebfn \u00e1p.<\/div>\n
\u25cf C\u00f4ng c\u1ee5 v\u00e0 v\u1eadt li\u1ec7u:<\/strong>
\nM\u00e1y h\u00e0n \u0111i\u1ec7n, k\u00ecm, tua v\u00edt, k\u1eb9p, thi\u1ebfc h\u00e0n, nh\u1ef1a th\u00f4ng, ch\u1ea5t tr\u1ee3 h\u00e0n.<\/div>\n<\/div>\n
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Danh s\u00e1ch v\u1eadt li\u1ec7u ch\u00ednh:<\/strong><\/p>\n

1 b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111i\u1ec7n \u00e1p t\u00edch h\u1ee3p LM317, 1 b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111i\u1ec7n \u00e1p t\u00edch h\u1ee3p LM337, 1 bi\u1ebfn tr\u1edf BSK, 2 \u0111i\u1ec7n tr\u1edf 120 \u03a9 v\u00e0 2 \u0111i\u1ec7n tr\u1edf 1k\u03a9, 1 t\u1ee5 \u0111i\u1ec7n c\u1ef1c 1000 \u03bcF\/50V, 2 t\u1ee5 \u0111i\u1ec7n c\u1ef1c 1000 \u03bcF\/50 V, 10\u03bcF\/25V, 100 \u03bcF\/25V, 2 t\u1ee5 \u0111i\u1ec7n kh\u00f4ng c\u1ef1c 100 pF, 8 \u0111i\u1ed1t IN4007.<\/p>\n<\/div>\n<\/section>\n

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III. M\u00f4 t\u1ea3 s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t<\/h2>\n
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(1) T\u00ean s\u1ea3n ph\u1ea9m:<\/strong>Ngu\u1ed3n \u0111i\u1ec7n \u0111i\u1ec1u ch\u1ec9nh \u1ed5n \u0111\u1ecbnh \u00b11.25~12 V.<\/p>\n

(2) Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong>\u0110\u1ea7u v\u00e0o c\u1ee7a m\u1ea1ch \u1ed5n \u00e1p \u0111\u01b0\u1ee3c c\u1ea5u th\u00e0nh b\u1edfi bi\u1ebfn \u00e1p, c\u00f3 ch\u1ee9c n\u0103ng chuy\u1ec3n \u0111\u1ed5i d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u 220 V th\u00e0nh d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u \u00e1p th\u1ea5p, sau \u0111\u00f3 th\u00f4ng qua m\u1ea1ch ch\u1ec9nh l\u01b0u v\u00e0 m\u1ea1ch l\u1ecdc \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i th\u00e0nh d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u, cu\u1ed1i c\u00f9ng th\u00f4ng qua s\u1ef1 ph\u1ed1i h\u1ee3p c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n trong m\u1ea1ch \u1ed5n \u00e1p \u0111\u1ec3 t\u1ea1o ra ngu\u1ed3n \u0111i\u1ec7n \u1ed5n \u00e1p c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh.<\/p>\n

(3) S\u01a1 \u0111\u1ed3 nguy\u00ean l\u00fd m\u1ea1ch v\u00e0 s\u01a1 \u0111\u1ed3 nguy\u00ean l\u00fd:<\/strong><\/p>\n

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\"50609468736e83d75d13c5c6c380ac69\"H\u00ecnh 14-4 S\u01a1 \u0111\u1ed3 nguy\u00ean l\u00fd m\u1ea1ch \u0111i\u1ec7n<\/p>\n<\/div>\n

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\"4f40f2022388a14847c77d0a96a97c29\"H\u00ecnh 14-5 S\u01a1 \u0111\u1ed3 m\u1ea1ch \u0111i\u1ec7n<\/p>\n<\/div>\n<\/div>\n

(4) Danh s\u00e1ch c\u00e1c linh ki\u1ec7n:<\/strong><\/p>\n

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S\u1ed1 th\u1ee9 t\u1ef1<\/th>\nT\u00ean<\/th>\nModel\/Specifications<\/th>\nS\u1ed1 l\u01b0\u1ee3ng<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nB\u1ed9 \u1ed5n \u00e1p t\u00edch h\u1ee3p<\/td>\nLM317 \/ LM337<\/td>\nM\u1ed7i c\u00e1i 1 c\u00e1i<\/td>\n<\/tr>\n
2<\/td>\ndiode ch\u1ec9nh l\u01b0u<\/td>\nIN4007<\/td>\n8 c\u00e1i<\/td>\n<\/tr>\n
3<\/td>\nT\u1ee5 \u0111i\u1ec7n ph\u00e2n<\/td>\n1000\u03bcF\/50V, 100\u03bcF\/25V, 10\u03bcF\/25V<\/td>\nm\u1ed9t s\u1ed1<\/td>\n<\/tr>\n
4<\/td>\n\u0110i\u1ec7n tr\u1edf\/bi\u1ebfn tr\u1edf<\/td>\n120\u03a9, 1k\u03a9, BSK potentiometer<\/td>\nM\u1ed7i lo\u1ea1i 2 c\u00e1i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

B\u1ea3ng 14-1 Danh s\u00e1ch c\u00e1c th\u00e0nh ph\u1ea7n<\/p>\n\n\n\n\n\n\n\n\n\n\n
T\u00ean<\/td>\nS\u1ed1 l\u01b0\u1ee3ng\/c\u00e1i<\/td>\n<\/tr>\n
LM317 t\u00edch h\u1ee3p b\u1ed9 \u1ed5n \u0111\u1ecbnh \u0111i\u1ec7n \u00e1p<\/td>\n1<\/td>\n<\/tr>\n
LM337 t\u00edch h\u1ee3p b\u1ed9 \u1ed5n \u0111\u1ecbnh \u0111i\u1ec7n \u00e1p<\/td>\n1<\/td>\n<\/tr>\n
BSK \u0111i\u1ec7n tr\u1edf<\/td>\n2<\/td>\n<\/tr>\n
T\u1ee5 \u0111i\u1ec7n 2200\u03bcF<\/td>\n1<\/td>\n<\/tr>\n
T\u1ee5 \u0111i\u1ec7n 1000\u03bcF<\/td>\n2<\/td>\n<\/tr>\n
T\u1ee5 \u0111i\u1ec7n 100 pF<\/td>\n2<\/td>\n<\/tr>\n
T\u1ee5 \u0111i\u1ec7n 100 \u03bcF<\/td>\n2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n
T\u1ee5 \u0111i\u1ec7n 10\u03bcF<\/td>\n2<\/td>\n<\/tr>\n
\u0110i\u1ec7n tr\u1edf 1 k\u03a9<\/td>\n2<\/td>\n<\/tr>\n
120 \u03a9<\/td>\n2<\/td>\n<\/tr>\n
\u0110i\u1ed1t IN4007<\/td>\n8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/section>\n
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IV. L\u1eadp h\u1ed3 s\u01a1 d\u1eef li\u1ec7u v\u00e0 ph\u00e2n t\u00edch<\/h2>\n
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(1) D\u1eef li\u1ec7u \u0111\u1ea7u ra th\u1ef1c t\u1ebf khi ki\u1ec3m tra m\u1ea1ch<\/strong><\/p>\n

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\"8d90052287d86beecdba2bdf020b2395\"H\u00ecnh 14-6 D\u1eef li\u1ec7u \u0111\u1ea7u ra th\u1ef1c t\u1ebf khi ki\u1ec3m tra m\u1ea1ch<\/p>\n<\/div>\n<\/div>\n

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(2) H\u00ecnh \u1ea3nh b\u1ed1 tr\u00ed c\u00e1c th\u00e0nh ph\u1ea7n tr\u00ean b\u1ea3ng m\u1ea1ch<\/strong><\/p>\n

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\"252e9469e65c0b329fad63f7456dd987\"H\u00ecnh 14-7 H\u00ecnh \u1ea3nh b\u1ed1 tr\u00ed c\u00e1c th\u00e0nh ph\u1ea7n tr\u00ean b\u1ea3ng m\u1ea1ch<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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(3) Ph\u00e2n t\u00edch v\u00e0 x\u1eed l\u00fd c\u00e1c v\u1ea5n \u0111\u1ec1 trong qu\u00e1 tr\u00ecnh \u0111i\u1ec1u ch\u1ec9nh<\/h3>\n

\u0110\u01b0a ra c\u00e1c v\u1ea5n \u0111\u1ec1 ph\u00e1t sinh trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t v\u00e0 \u0111i\u1ec1u ch\u1ec9nh m\u1ea1ch \u0111i\u1ec7n, ph\u00e2n t\u00edch nguy\u00ean nh\u00e2n ph\u00e1t sinh v\u1ea5n \u0111\u1ec1, \u0111\u01b0a ra ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd v\u1ea5n \u0111\u1ec1 v\u00e0 k\u1ebft qu\u1ea3. Chi ti\u1ebft xem b\u1ea3ng ghi ch\u00e9p b\u00e1o c\u00e1o th\u00ed nghi\u1ec7m.<\/p>\n<\/div>\n<\/div>\n<\/section>\n